linux-kernel - Re: linux-next: build failure after merge of the final tree (cgroup tree related)

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Date:	Wed, 12 Feb 2014 16:15:38 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: linux-next: build failure after merge of the final tree (cgroup
 tree related)

On Wed, Feb 12, 2014 at 04:25:00PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the final tree, today's linux-next build (sparc defconfig)
> failed like this:
> 
> arch/sparc/kernel/sun4m_irq.c: In function 'sun4m_build_device_irq':
> arch/sparc/kernel/sun4m_irq.c:266:2: error: implicit declaration of function 'kzalloc' [-Werror=implicit-function-declaration]
> arch/sparc/kernel/sun4m_irq.c:266:15: error: assignment makes pointer from integer without a cast [-Werror]
> 
> Presumably caused by commit 2bd59d48ebfb ("cgroup: convert to kernfs")
> (see the comment in commit 1ff6bbfd13ca ("arm, pm, vmpressure: add
> missing slab.h includes")).  I wonder how mane more builds are broken by
> this :-(
> 
> Indeed, reverting that commit fixes the build.
> 
> I have added the following build fix for today (please check the
> overnight builds for more breakage):
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Wed, 12 Feb 2014 16:01:10 +1100
> Subject: [PATCH] sun4M: add include of slab.h for kzalloc
> 
> This was being included implicitly via cgroup.h's inclusion of xattr.h
> (which has now been removed).
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>

Applied to cgroup/for-3.15.

Thanks!

-- 
tejun
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